Home / 10,460.75-15,694.76-3,888.81

Finding the Fourth Proportional to 10,460.75, 15,694.76 and 3,888.81

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Solution

The fourth proportional to 10,460.75, 15,694.76 and 3,888.81 is: 5,834.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,460.75 : 15,694.76 = 3,888.81 : x
  2. Step 2: Convert to fraction form
    10,460.75/15,694.76 = 3,888.81/x
  3. Step 3: Cross multiply
    10,460.75x = 15,694.76 × 3,888.81
  4. Step 4: Simplify right side
    10,460.75x = 61,033,949.36
  5. Step 5: Solve for x
    x = 61,033,949.36/10,460.75
  6. Step 6: Final answer
    x = 5,834.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.